Lead Site Reliability Engineer (Big Data)
Mastercard4 days ago
Base Salary
$122k - $207k/yr
Responsibilities
- Improve the full service lifecycle from design and deployment through operation and refinement.
- Analyze ITSM activities and provide development teams with feedback on operational gaps and resiliency concerns.
- Support pre-launch activities including system design consulting, capacity planning, and launch reviews.
- Monitor availability, latency, system health, and production services.
- Automate routine tasks and scale systems sustainably to improve reliability and delivery velocity.
- Support CI/CD pipelines through validation and operational gating, and lead DevOps automation practices.
- Conduct incident response and blameless post-mortems while optimizing mean time to recover.
- Troubleshoot large-scale distributed systems across multiple technology layers during production events.
- Collaborate with global development, operations, product, and stakeholder teams.
- Mentor junior resources and promote operational standards, compliance, and risk mitigation.
Requirements
- Bachelor’s degree in Computer Science or a related technical field involving coding, such as physics or mathematics, or equivalent practical experience.
- Experience with algorithms, data structures, scripting, pipeline management, and software design.
- Ability to debug and optimize code and automate routine tasks.
- Experience with one or more of C, C++, Java, Python, Go, Perl, or Ruby is preferred.
- Interest in designing, analyzing, and troubleshooting large-scale distributed systems.
- Experience working across development, operations, and product teams to prioritize needs and build relationships.
- Experience with CI/CD tools such as Git or BitBucket, Jenkins, Maven, Artifactory, and Chef.
- Experience designing and implementing efficient CI/CD flows from development through production is desired.
- Strong problem-solving, communication, ownership, urgency, and stakeholder-management skills.
Benefits
- Full-time employee benefits generally include medical, prescription drug, dental, vision, disability, and life insurance.
- Benefits include flexible spending and health savings accounts, paid leaves, 80 hours of Paid Sick and Safe Time, 25 vacation days, five personal days, and 10 paid U.S. holidays.
- Benefits may include a 401(k) with company match, deferred compensation for eligible roles, fitness reimbursement or on-site fitness facilities, and tuition reimbursement.
- The position is intended to be filled by 02/10/2027, or as soon as possible if that date has passed.
- The stated U.S. base salary range for O’Fallon, Missouri is $122,000–$207,000.
About Mastercard
Mastercard builds and operates a global payments network used by banks, merchants, fintechs, and governments, offering card processing, real-time payments, tokenization, and fraud/risk services. It generates revenue from transaction processing and assessment/service fees across more than 200 countries and territories. Founded in 1966 and headquartered in Purchase, New York, Mastercard is a public company listed on the NYSE (ticker: MA).